What does code P1481 mean?

Q: What does code P1481 mean?

EATX RPM Pulse Generator Signal For Misfire Detection. P1481 on Chrysler vehicles indicates that the Transmission Control Module (TCM) has detected an abnormal signal from the EATX (Electronically Controlled Automatic Transmission) RPM pulse generator, which is used to monitor engine misfire. The TCM compares this signal to expected values and sets the code when the pulse generator output is missing, erratic, or out of range.

DTC codes / Chrysler codes / P1481

P1481 · ChryslerEATX RPM Pulse Generator Signal For Misfire Detection

P1481 on Chrysler vehicles indicates that the Transmission Control Module (TCM) has detected an abnormal signal from the EATX (Electronically Controlled Automatic Transmission) RPM pulse generator, which is used to monitor engine misfire. The TCM compares this signal to expected values and sets the code when the pulse generator output is missing, erratic, or out of range.

SystemPowertrain

Code typeChrysler specific

SeverityMedium

Fix difficultyProfessional

AreaAuxiliary emission controls

Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.